<ui:composition xmlns:h="http://java.sun.com/jsf/html"
                xmlns:ui="http://java.sun.com/jsf/facelets"
                xmlns:p="http://primefaces.org/ui">
    <h:form id="growlForm">
        <p:growl id="tmp" showDetail="true" />
    </h:form>
</ui:composition>